C150294 Approval Letter - Laserfiche WebLink

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Snowmass Water & Sanitation District Agenda Item 17f May 12, 2009 (UPDATED May 22, 2009) Page 3 of 5 "irrigation, domestic, recreational, piscatorial" use. The District has additional water rights as part of an extensive inventory of water rights necessary to meet its municipal needs. Project Description The District's purchase of the Ziegler Reservoir requires a delivery system to connect the reservoir to the District's river diversion points. The District considered several alternatives: Alternative 1- No Immediate Action - Delay construction until expansion of the reservoir. This alternative was rejected. Until a pump station is constructed, the reservoir is of no benefit to the District. Alternative 2- Install temporary improvements until reservoir expansion is complete - Install portable generators and temporary pumps and construct the Divide Flow Control Building. This alternative was rej ected and conceptual designs were not considered. The existing reservoir is currently supplied by an 8 inch ductile/cast iron supply line but does not have a power supply or pump station at the reservoir to pump water to the Districts raw water delivery system. Expending money on pumps, power generators, and constructing a temporary pump house, all of which wouldn't be usable as part of the Ziegler Reservoir expansion, was an impractical and wasteful approach. Alternative 3(SELECTED) - Install permanent improvements to utilize the reservoir - Install a pump house, provide a new electric service and telemetry, install a new supply line and construct a divide/flow control building. This Project will connect the District's existing raw water delivery system located at the existing flow control building to the new Ziegler pump house adjacent to the reservoir. The reservoir is approximately 1,400 ft from the Divide Flow Control Building and the connecting water line will be installed in the available easement. The project consists of three separate features: • Divide flow control building - This controls meters, pumping and valves which will allow the District to supply the water treatment plant using any combination of sources, including Ziegler Reservoir. • Connecting Pipeline - The 16 inch connecting pipeline will augment and run parallel to the existing 8 inch pipe. • Ziegler Reservoir Pump Station - The Pump Station will contain the valves and pumping capabilities to allow the Reservoir to be filled and/or pumped back to the treatment facilities. The capacity of the pumping station will be 3,000 gpm, approximately the maximum District daily demand. The District owns the land where the pump station will be constructed and all easements and right-of-ways have already been acquired.